Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

The computation of basic and diluted earnings per share is as follows (in millions, except per share amounts):

	Year ended December 31,
	2018		2017			2016
Basic:
Net earnings attributable to Black Knight	$	168.5	$	182.3		$	45.8
Shares used for basic net earnings per share:
Weighted average shares of common stock outstanding	147.6		88.7			65.9
Basic net earnings per share	$	1.14	$	2.06		$	0.69
Diluted:
Earnings before income taxes			$	192.4
Income tax benefit excluding the effect of noncontrolling interests			(32.2		)
Net earnings			$	224.6
Net earnings attributable to Black Knight	$	168.5				$	45.8
Shares used for diluted net earnings per share:
Weighted average shares of common stock outstanding	147.6		88.7			65.9
Dilutive effect of unvested restricted shares of common stock	0.6		0.6			2.0
Weighted average shares of BKFS Class B common stock outstanding	—		63.1			—
Weighted average shares of common stock, diluted	148.2		152.4			67.9
Diluted net earnings per share	$	1.14	$	1.47		$	0.67